CVE-2023-22832 - CVE House
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Status published Unknown CVE-2023-22832

Apache NiFi: Improper Restriction of XML External Entity References in ExtractCCDAAttributes

Vulnerability Description

The ExtractCCDAAttributes Processor in Apache NiFi 1.2.0 through 1.19.1 does not restrict XML External Entity references. Flow configurations that include the ExtractCCDAAttributes Processor are vulnerable to malicious XML documents that contain Document Type Declarations with XML External Entity references. The resolution disables Document Type Declarations and disallows XML External Entity resolution in the ExtractCCDAAttributes Processor.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Yi Cai of Chaitin Tech

References

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache NiFi
Vulnerable Versions:
1.2.0

Timeline

Official Publish: February 10th, 2023
Last Modified: March 24th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-611

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1005 Data from Local System
Collection
T1040 Network Sniffing
Collection
T1105 Ingress Tool Transfer
Command and Control
T1499 Endpoint Denial of Service
Impact